CN211698725U - High-precision automatic micro liquid adding device - Google Patents

Abstract

The utility model discloses a high-precision automatic micro-liquid adding device, which relates to the technical field of metering. The utility model comprises a micro pump, a transfer box and a collection bottle. The transfer box includes a box body and a cover body. A liquid filling head is fixedly connected to the bottom of the box body. A first electric switch valve is arranged between the liquid filling head and the bottom of the box body. A second electric switch valve is fixed through the lower part of one side of the body, the water outlet of the second electric switch valve is fixedly connected with a hose, and the micro pump is fixed on the top of the cover body. In the utility model, by setting the transfer box, the capacity is controlled in the transfer box, so as to improve the accuracy of the liquid addition operation. At the same time, a second electric switch valve and a hose are arranged on one side of the box body, and a collection bottle is arranged at the same time. To avoid the problem of inaccurate precision caused by the liquid in the pump body or the pipeline falling into the box body when the micro pump is stopped.

Description

A high-precision automatic micro-dosing device

technical field

The utility model belongs to the technical field of measurement, in particular to a high-precision automatic micro-liquid adding device.

Background technique

At present, the flow valve is often used to control the flow rate to control the amount of liquid when adding liquid. However, in the process of adding trace liquid or high-precision liquid, the accuracy is low and cannot meet the needs of high-precision liquid adding. Some products or experimental substances The ratio of the liquid requires high-precision metering, so designing a liquid adding device that can be precise and traceable is a problem that workers in the field need to solve.

Utility model content

The purpose of the present utility model is to provide a high-precision automatic micro-liquid addition device. By setting a transfer box, the capacity is controlled in the transfer box, thereby improving the accuracy of the liquid adding operation. At the same time, a second electric motor is installed on one side of the box The valve and hose are switched on and off, and the collection bottle is set at the same time, which can discharge the excess liquid, and avoid the problem of inaccurate precision caused by the liquid in the pump body or the pipeline falling into the box when the micro pump is stopped.

In order to solve the above-mentioned technical problems, the utility model is realized through the following technical solutions:

The utility model relates to a high-precision automatic micro liquid adding device, comprising a micro pump, a transfer box and a collection bottle;

The transfer box includes a box body and a cover body, a liquid feeding head is fixedly connected to the bottom of the box body, and a first electric switch valve is arranged between the liquid feeding head and the bottom of the box body;

A second electric switch valve is fixed through the lower part of one side of the box body, and a hose is fixedly connected to the water outlet of the second electric switch valve;

The micro pump is fixed on the top of the cover body, the water outlet of the micro pump penetrates the cover body and communicates with the box body, the water inlet of the micro pump is fixedly connected with a suction pipe, and the bottom surface of the cover body is fixed with a liquid level sensor, The cover body is provided with a breathing port;

A support plate is fixed on one side of the bottom surface of the box body, an opening is formed on the support plate, the outer diameter of the collection bottle is the same as the inner diameter of the opening, and the top peripheral side of the collection bottle is fixed with a limiting edge.

Further, a plurality of reinforcing ribs are fixed side by side between the support plate and a side surface of the box body, and the reinforcing ribs are in a triangular structure or a trapezoidal structure.

Further, a groove is formed on an opposite side of the limiter, and the groove is a blind groove structure.

Further, it also includes a controller, wherein the first electric switch valve, the second electric switch valve, the liquid level sensor and the micro pump are all electrically connected to the controller.

Further, the second electric switch valve is arranged obliquely, and the angle between the axis line of the second electric switch valve and the side wall of the box body is in the range of 70-80°.

Further, a set of mounting pieces are fixed on one side of the transfer box, and a set of mounting holes are opened on the mounting pieces.

The utility model has the following beneficial effects:

In the utility model, a transfer box is arranged, and the capacity is controlled in the transfer box, thereby improving the accuracy of the liquid addition operation. At the same time, a second electric switch valve and a hose are arranged on one side of the box body, and a collection bottle is arranged at the same time. To avoid the problem of inaccurate precision caused by the liquid in the pump body or the pipeline falling into the box body when the micro pump is stopped.

Of course, any product implementing the present invention does not necessarily need to simultaneously achieve all of the above-mentioned advantages.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the accompanying drawings required for the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative effort.

Fig. 1 is the structural representation of a kind of high-precision automatic micro liquid adding device of the present invention;

Fig. 2 is the structural sectional view of Fig. 1;

Fig. 3 is the structural representation of box body;

4 is a schematic structural diagram of a cover body;

Fig. 5 is the structural representation of collection bottle;

In the accompanying drawings, the list of components represented by each number is as follows:

1-micro pump, 2-transfer box, 3-collecting bottle, 201-box body, 202-cover body, 203-liquid filling head, 204-first electric switch valve, 205-second electric switch valve, 206-soft Pipe, 207-suction pipe, 208- liquid level sensor, 209- support plate, 210- opening, 211- reinforcing rib, 212- mounting plate, 213- mounting hole, 301- limit edge, 302- groove.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to FIGS. 1-5 , the present invention is a high-precision automatic micro liquid adding device, comprising a micro pump 1, a transfer box 2 and a collection bottle 3;

The transfer box 2 comprises a box body 201 and a cover body 202, the bottom of the box body 201 is fixedly connected with a liquid feeding head 203, and a first electric switch valve 204 is provided between the liquid feeding head 203 and the bottom of the box body 201;

A second electric switch valve 205 is fixed through the lower part of one side of the box body 201, and a hose 206 is fixedly connected to the water outlet of the second electric switch valve 205;

The micro pump 1 is fixed on the top of the cover body 202. The water outlet of the micro pump 1 penetrates the cover body 202 and communicates with the box body 201. , the cover body 202 is provided with a breathing port;

A support plate 209 is fixed on one side of the bottom surface of the box body 201, an opening 210 is provided on the support plate 209, the outer diameter of the collection bottle 3 is the same as the inner diameter of the opening 210, and the top peripheral side of the collection bottle 3 is fixed with a limit edge 301.

As shown in FIGS. 1-3 , a plurality of reinforcing ribs 211 are fixed side by side between the support plate 209 and a side surface of the box body 201 , and the reinforcing ribs 211 are of a triangular structure or a trapezoidal structure.

As shown in FIG. 5 , a groove 302 is formed on an opposite side of the limiting edge 301 , and the groove 302 is a blind groove structure.

It also includes a controller, and the first electric switch valve 204 , the second electric switch valve 205 , the liquid level sensor 208 and the micro pump 1 are all electrically connected to the controller.

As shown in Figures 1-3, the second electric on-off valve 205 is arranged obliquely, and the angle between the axis line of the second electric on-off valve 205 and the side wall of the box body 201 is in the range of 70-80°.

As shown in FIG. 1 and FIG. 3 , a set of mounting pieces 212 are fixed on one side of the transfer box 2 , and a set of mounting holes 213 are formed on the mounting pieces 212 .

A specific application of this embodiment is as follows: the amount of liquid to be added is set in advance by the controller, the operation of the micro pump 1 is controlled by the controller, the liquid is drawn into the box body 201 through the suction pipe 207, and the liquid level sensor 208 detects the water level height, And send the signal to the controller, when it is detected that the set amount is reached, control the micro pump 1 to stop running, at this time the liquid level sensor 208 detects the liquid level height again, when the height is slightly higher, controls the second electric switch valve 205 to open , slowly adjust the liquid level in the box body 201, when the set value is reached, close the second electric switch valve 205 and control the first electric switch valve 204 to open for liquid addition processing, the liquid flowing out through the second switch valve 205 Drain into collection bottle 3 through hose 206 .

In the description of this specification, description with reference to the terms "one embodiment", "example", "specific example", etc. means that a specific feature, structure, material or characteristic described in connection with the embodiment or example is included in the present invention. in at least one embodiment or example. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details, nor do they limit the invention to only the described embodiments. Obviously, many modifications and variations are possible in light of the contents of this specification. This specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the present invention, so that those skilled in the art can well understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims (6)

1. a high-precision automatic micro liquid adding device, comprising a micro pump (1), characterized in that: also comprising a transfer box (2) and a collection bottle (3); The transfer box (2) includes a box body (201) and a cover body (202). The bottom of the box body (201) is fixedly connected with a liquid filling head (203), and the liquid filling head (203) is connected to the box body (203). 201) A first electric switch valve (204) is arranged between the bottoms; A second electric switch valve (205) is fixed through the lower part of one side surface of the box body (201), and a hose (206) is fixedly connected to the water outlet of the second electric switch valve (205); The micro pump (1) is fixed on the top of the cover body (202), and the water outlet of the micro pump (1) penetrates the cover body (202) and communicates with the box body (201). A water suction pipe (207) is fixedly connected to the water outlet, a liquid level sensor (208) is fixed on the bottom surface of the cover body (202), and a breathing port is provided on the cover body (202); A support plate (209) is fixed on one side of the bottom surface of the box body (201), an opening (210) is formed on the support plate (209), and the outer diameter of the collecting bottle (3) is the same as the inner diameter of the opening (210). Similarly, a limiting edge (301) is fixed on the top peripheral side of the collecting bottle (3). 2. A high-precision automatic micro-dosing device according to claim 1, characterized in that a plurality of reinforcing ribs (211) are fixed side by side between the support plate (209) and a side surface of the box body (201), The reinforcing rib (211) has a triangular structure or a trapezoidal structure. 3. A high-precision automatic micro-dosing device according to claim 1, characterized in that, grooves (302) are formed on an opposite side of the limiting edge (301), and the grooves (302) It is a blind slot structure. 4 . The high-precision automatic micro-liquid adding device according to claim 1 , further comprising a controller, the first electric switch valve ( 204 ), the second electric switch valve ( 205 ), the liquid level Both the sensor (208) and the micropump (1) are electrically connected to the controller. 5. A high-precision automatic micro-liquid dosing device according to claim 1, characterized in that the second electric switch valve (205) is inclined and arranged, and the axis line of the second electric switch valve (205) The angle with the side wall of the box body (201) is in the range of 70-80°. 6. A high-precision automatic micro-dosing device according to claim 1, wherein a set of mounting pieces (212) are fixed on one side of the transfer box (2), and a set of mounting pieces (212) are provided on the mounting pieces (212). There is a set of mounting holes (213).

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